Redshift_shader_dat_unzip.py

shaderPack = r'C:\ProgramData\Redshift\Data\Redshift1.dat'
from struct import unpack
import os

shaderdataFloder = r'Redshift1'

os.makedirs(shaderdataFloder,exist_ok=True)

def dint(b):
    return unpack("i",b)[0]

def decodeData(data,factor):
    factor = factor & 0xff
    result = b''
    for v3 in range(len(data)):
        v4 = data[v3]
        eax = v3 + v4
        result += bytes([factor ^ v4])
        factor = eax & 0xff
    return result

shaders = {}
with open(shaderPack,'rb') as fp:
    shaderNum = dint(fp.read(4))
    for v6 in range(shaderNum):
        nameLength = dint(fp.read(4))
        cryptedName = fp.read(nameLength)
        name = decodeData(cryptedName,v6)
        size = dint(decodeData(fp.read(4),v6))
        offset = dint(decodeData(fp.read(4),v6))
        shaders[name.decode()] = {
            "offset":offset,
            "size":size,
            "factor":v6
        }


    for filename in shaders:
        shader = shaders[filename]
        fp.seek(shader["offset"])
        data = fp.read(shader["size"])
        with open(os.path.join(shaderdataFloder,filename),"wb") as wfp:
            wfp.write(decodeData(data,shader["factor"]))

hello, how do I package all the unpacked bin files into a. Dat file? can you write a pack .py file?
thank you for your help.